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Use target alignment API to set objc2's meta-data 

alignment.

llvm-svn: 63470
This commit is contained in:
Fariborz Jahanian 2009-01-31 02:43:27 +00:00
parent ec99c46d44
commit c22f236e81
1 changed files with 20 additions and 13 deletions
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33
clang/lib/CodeGen/CGObjCMac.cpp
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@ -363,11 +363,6 @@ protected:
/// defined. The return value has type ProtocolPtrTy.
llvm::Constant *GetProtocolRef(const ObjCProtocolDecl *PD);
/// GetPointerAlign - get alignment of a pointer.
uint32_t GetPointerAlign(void) {
return CGM.getContext().getTypeAlign(CGM.getContext().VoidPtrTy) >> 3;
}
public:
CGObjCCommonMac(CodeGen::CodeGenModule &cgm) : CGM(cgm)
{ }
@ -3341,7 +3336,8 @@ llvm::GlobalVariable * CGObjCNonFragileABIMac::BuildClassRoTInitializer(
std::string("\01l_OBJC_METACLASS_RO_$_")+ClassName :
std::string("\01l_OBJC_CLASS_RO_$_")+ClassName,
&CGM.getModule());
CLASS_RO_GV->setAlignment(GetPointerAlign());
CLASS_RO_GV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(ObjCTypes.ClassRonfABITy));
CLASS_RO_GV->setSection("__DATA, __objc_const");
UsedGlobals.push_back(CLASS_RO_GV);
return CLASS_RO_GV;
@ -3385,7 +3381,8 @@ llvm::GlobalVariable * CGObjCNonFragileABIMac::BuildClassMetaData(
ClassName,
&CGM.getModule());
GV->setSection("__DATA, __objc_data");
GV->setAlignment(GetPointerAlign());
GV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(ObjCTypes.ClassnfABITy));
if (HiddenVisibility)
GV->setVisibility(llvm::GlobalValue::HiddenVisibility);
UsedGlobals.push_back(GV);
@ -3658,7 +3655,8 @@ void CGObjCNonFragileABIMac::GenerateCategory(const ObjCCategoryImplDecl *OCD)
Init,
ExtCatName,
&CGM.getModule());
GCATV->setAlignment(GetPointerAlign());
GCATV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(ObjCTypes.CategorynfABITy));
GCATV->setSection("__DATA, __objc_const");
UsedGlobals.push_back(GCATV);
DefinedCategories.push_back(GCATV);
@ -3715,7 +3713,8 @@ llvm::Constant *CGObjCNonFragileABIMac::EmitMethodList(
Init,
Name,
&CGM.getModule());
GV->setAlignment(GetPointerAlign());
GV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(Init->getType()));
GV->setSection(Section);
UsedGlobals.push_back(GV);
return llvm::ConstantExpr::getBitCast(GV,
@ -3735,6 +3734,8 @@ llvm::Constant * CGObjCNonFragileABIMac::EmitIvarOffsetVar(
CGM.getModule().getGlobalVariable(ExternalName);
if (IvarOffsetGV) {
// ivar offset symbol already built due to user code referencing it.
IvarOffsetGV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(ObjCTypes.Int8PtrTy));
IvarOffsetGV->setInitializer(Init);
UsedGlobals.push_back(IvarOffsetGV);
return IvarOffsetGV;
@ -3747,6 +3748,8 @@ llvm::Constant * CGObjCNonFragileABIMac::EmitIvarOffsetVar(
Init,
ExternalName,
&CGM.getModule());
IvarOffsetGV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(ObjCTypes.Int8PtrTy));
// @private and @package have hidden visibility.
bool globalVisibility = (Ivar->getAccessControl() == ObjCIvarDecl::Public ||
Ivar->getAccessControl() == ObjCIvarDecl::Protected);
@ -3848,7 +3851,8 @@ llvm::Constant *CGObjCNonFragileABIMac::EmitIvarList(
Init,
Prefix + OID->getNameAsString(),
&CGM.getModule());
GV->setAlignment(GetPointerAlign());
GV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(Init->getType()));
GV->setSection("__DATA, __objc_const");
UsedGlobals.push_back(GV);
@ -3974,7 +3978,8 @@ llvm::Constant *CGObjCNonFragileABIMac::GetOrEmitProtocol(
Init,
std::string("\01l_OBJC_PROTOCOL_$_")+ProtocolName,
&CGM.getModule());
Entry->setAlignment(GetPointerAlign());
Entry->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(ObjCTypes.ProtocolnfABITy));
Entry->setSection("__DATA,__datacoal_nt,coalesced");
}
Entry->setVisibility(llvm::GlobalValue::HiddenVisibility);
@ -3989,7 +3994,8 @@ llvm::Constant *CGObjCNonFragileABIMac::GetOrEmitProtocol(
std::string("\01l_OBJC_LABEL_PROTOCOL_$_")
+ProtocolName,
&CGM.getModule());
PTGV->setAlignment(GetPointerAlign());
PTGV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(ptype));
PTGV->setSection("__DATA, __objc_protolist");
PTGV->setVisibility(llvm::GlobalValue::HiddenVisibility);
UsedGlobals.push_back(PTGV);
@ -4038,7 +4044,8 @@ CGObjCNonFragileABIMac::EmitProtocolList(const std::string &Name,
Name,
&CGM.getModule());
GV->setSection("__DATA, __objc_const");
GV->setAlignment(GetPointerAlign());
GV->setAlignment(
CGM.getTargetData().getPrefTypeAlignment(Init->getType()));
UsedGlobals.push_back(GV);
return llvm::ConstantExpr::getBitCast(GV, ObjCTypes.ProtocolListnfABIPtrTy);
}